Hideyuki Yamashiro

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A short-term, localized outbreak of diatoms attached to live corals was observed along the coast of Sesoko Island, Okinawa, Japan in February, 2011. Diatoms are recognized as brown patches in the initial stage, becoming fluffy encrustations and resulting in complete or partial coral death. Attached diatoms, including Licmophora, Climacosphenia, Ardissonea(More)
Coral diseases are a growing concern worldwide, posing another threat to a system already plagued by bleaching and predation. White syndromes (WS) are tissue loss diseases causing mortality on corals globally (e.g., Willis et al. 2004). In Japan, WS was initially reported in the nation's largest coral reef area around the Ishigaki-Iriomote Islands (Nature(More)
Coral populations are in decline due to environmental changes and biological attacks by predators and infectious diseases. Here, we report a localized bloom of the benthic filamentous cyanobacterium Moorea bouillonii (formerly Lyngbya bouillonii) observed exclusively on the gorgonian (sea fan) coral Annella reticulata at around 20 m depth in Japan. The(More)
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